نتایج جستجو برای: manufacturing process quality
تعداد نتایج: 2016984 فیلتر نتایج به سال:
High quality mechanical manufacturing of small components and subassemblies having geometric features in the micrometer range requires controlled and coordinated processes. Considering full automation of the production process as essential, not only manufacturing processes have to be optimized but also handling and quality assurance operations take an integral part of the production process. We...
The performance of a product is often evaluated by several quality characteristics. ptimizing the manufacturing process with respect to only one quality characteristic will not always lead to the optimum values for other characteristics. Hence, it would be desirable to improve the overall quality of a product by improving quality characteristics, which are considered to be important. The probl...
Much management accounting research has focused on the provision of periodic, aggregated financiai information to managers for planning and control. Recently, many firms have adopted just-in-time production, total quaiity management, and teamwork practices for their manufacturing operations. These new manufacturing practices rely on increased worker involvement in the control of ail phases of m...
This paper describes a previously unreported application of virtual environments – the prediction of product aesthetic quality. Successful prediction of aesthetic quality without the production of a physical prototype requires the integration of a number of ‘software’ models: an assembly model representing the manner in which the product is put together; an environment model providing a real wo...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
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